l.c

有关AD芯片AD7730的应用程序

#include "Board.h"
#include "lcd.h"
//======================================================
extern unsigned char idata DisplayBuffer[16];
//======================================================
code unsigned char DisplayDecode[16]=
{
	0xFC,	//0
	0x60,	//1
	0xDA,	//2
	0xF2,	//3
	0x66,	//4
	0xB6,	//5
	0xBE,	//6
	0xE0,	//7
	0xFE,	//8
	0xF6,	//9
	0xEE,	//A
	0x3E,	//b
	0x9C,	//C
	0x7A,	//d
	0x9E,	//E
	0x8E,	//F
};
code unsigned char ManLog[16]=
{
	0xFC,	//0
	0xFC,	//0
	0x61,	//1.
	0x38,	//v
	0xFC,	//0
	0xFC,	//0
	0x66,	//4
	0x02,	//-
	0x9E,	//E
	0x4E,	//Y
	0xCF,	//P.
	0x0A,	//r
	0x3A,	//o
	0x9C,	//C
	0x9F,	//E.
	0x1D,	//L.
};

//======================================================
void LCD_TransRAM(void)
{

	unsigned char idata bTmp;

	MCU_DLD=1;

	for (bTmp=0;bTmp<16;bTmp++) {
		LCD_TransByte(DisplayBuffer[bTmp]);
	}
	MCU_DLD=0;
	return;
}

void LCD_TransByte(unsigned char bData)
{
	unsigned char idata bCt;

	for (bCt=0;bCt<8;bCt++) {

		MCU_DCLK=1;
		
		if ( bData&0x01 ) {
			MCU_DDAT = 1;
		}
		else {
			MCU_DDAT = 0;
		}
		bData=bData>>1;

		MCU_DCLK=0;
	}
	return;
}

void LCD_DisplayNumber(void)
{

	unsigned char idata u;


	MCU_DLD=1;

	for (u=0;u<16;u++) {
		if (DisplayBuffer[u]&0x80) {
			LCD_TransByte(DisplayDecode[DisplayBuffer[u]&0x0F]|0x01);	//小数点
		}	
		else {
			LCD_TransByte(DisplayDecode[DisplayBuffer[u]&0x0F]);
		}
	}
	MCU_DLD=0;
	return;
}

void LCD_DisplayString(unsigned char code *bStr)
{
	unsigned char idata u;
	
	MCU_DLD=1;
	for (u=0;u<16;u++) {
		LCD_TransByte(bStr[u]);
	}
	MCU_DLD=0;
	return;
}

void LCD_DisplayError(unsigned char bErr)
{
	unsigned char idata u,bTmp;
	
	MCU_DLD=1;
	if(bErr>99){
		bErr=99;
	}
	bTmp=((bErr/10)<<4)|(bErr%10);

	LCD_TransByte(DisplayDecode[bTmp&0x0F]);			
	LCD_TransByte(DisplayDecode[(bTmp>>4)&0x0F] );	

	LCD_TransByte(0x0B);	//r.;
	LCD_TransByte(0x9F);	//E;

	for (u=0;u<12;u++) {
		LCD_TransByte(0x00);
	}
	MCU_DLD=0;
	return;
}

void LCD_Clear(void)
{
	unsigned char idata u;
	MCU_DLD=1;

	for (u=0;u<16;u++) {
		LCD_TransByte(0);
	}
	MCU_DLD=0;
	return;
}

void LCD_DisplayDirect(void)
{

	unsigned char idata u;

	MCU_DLD=1;

	for (u=0;u<16;u++) {

		LCD_TransByte(DisplayBuffer[u]);
	}
	MCU_DLD=0;
	return;
}

void PutHexDisplayCode(unsigned char bNums,unsigned long lData)
{
	if (bNums==0) {			//第一个数字位置，在显示屏的最下一行，只有4位
		DisplayBuffer[3]=DisplayDecode[(lData>>12)&0x0F];
		DisplayBuffer[2]=DisplayDecode[(lData>>8)&0x0F];
		DisplayBuffer[1]=DisplayDecode[(lData>>4)&0x0F];
		DisplayBuffer[0]=DisplayDecode[lData&0x0F];
	}
	else if (bNums==1) {	//第二个数字位置，在显示屏的最上一行，6位
		DisplayBuffer[9]=DisplayDecode[(lData>>20)&0x0F];
		DisplayBuffer[8]=DisplayDecode[(lData>>16)&0x0F];
		DisplayBuffer[7]=DisplayDecode[(lData>>12)&0x0F];
		DisplayBuffer[6]=DisplayDecode[(lData>>8)&0x0F];
		DisplayBuffer[5]=DisplayDecode[(lData>>4)&0x0F];
		DisplayBuffer[4]=DisplayDecode[lData&0x0F];
	}
	else {
		DisplayBuffer[15]=DisplayDecode[(lData>>20)&0x0F];
		DisplayBuffer[14]=DisplayDecode[(lData>>16)&0x0F];
		DisplayBuffer[13]=DisplayDecode[(lData>>12)&0x0F];
		DisplayBuffer[12]=DisplayDecode[(lData>>8)&0x0F];
		DisplayBuffer[11]=DisplayDecode[(lData>>4)&0x0F];
		DisplayBuffer[10]=DisplayDecode[lData&0x0F];
	}
	return;
}

void PutDecDisplayCode(unsigned char bNums,unsigned long lData)
{
	if (bNums==0) {			//第一个数字位置，在显示屏的最下一行，只有4位
		if (lData>9999) {
			lData=9999;
		}
		DisplayBuffer[3]=DisplayDecode[(lData/1000)];
		DisplayBuffer[2]=DisplayDecode[(lData%1000)/100] | 0x01;	//加上小数点
		DisplayBuffer[1]=DisplayDecode[(lData%100)/10];
		DisplayBuffer[0]=DisplayDecode[lData%10];
	}
	else if (bNums==1) {	//第二个数字位置，在显示屏的最上一行，6位

		if (lData>999999) {
			lData=999999;
		}

		DisplayBuffer[9]=DisplayDecode[(lData/100000)];
		DisplayBuffer[8]=DisplayDecode[(lData%100000)/10000];
		DisplayBuffer[7]=DisplayDecode[(lData%10000)/1000];
		DisplayBuffer[6]=DisplayDecode[(lData%1000)/100] | 0x01;	//加上小数点
		DisplayBuffer[5]=DisplayDecode[(lData%100)/10];
		DisplayBuffer[4]=DisplayDecode[lData%10];
	}
	else {
		DisplayBuffer[15]=DisplayDecode[(lData/100000)];
		DisplayBuffer[14]=DisplayDecode[(lData%100000)/10000];
		DisplayBuffer[13]=DisplayDecode[(lData%10000)/1000];
		DisplayBuffer[12]=DisplayDecode[(lData%1000)/100] | 0x01;	//加上小数点
		DisplayBuffer[11]=DisplayDecode[(lData%100)/10];
		DisplayBuffer[10]=DisplayDecode[lData%10];
	}
	return;
}

void PutStatusCode(unsigned char bStat)
{
		DisplayBuffer[3]=0xB6;//"S"
		DisplayBuffer[2]=0x8C;//"T"
		DisplayBuffer[1]=0x02;//"-"
		DisplayBuffer[0]=DisplayDecode[bStat];//显示码

		return;
}